Chapter 5: Case Law Research
Reading opinions critically, separating holding from dictum, and using headnotes, key numbers, and citators to find and validate the cases that govern.
Orientation
Explore the concepts from this chapterCases as a Web of Answers
How one opinion answers several questions at once — following citations color-coded by question through a four-case web.
How to Read a Case
A real Arizona Supreme Court opinion, Markowitz v. Arizona Parks Board, read for class and then for one research question at a time — with a citator flag you must test against the question you are holding.
Run the Citator
What the signals mean and what they don't. Two mock reports in the Marsh universe: Prewitt, disapproved on one point and still good on another, and Marsh, clean today but a snapshot all the same. The chapter's rule, practiced: a signal is a reminder to read the citing opinions, not a verdict.